Solution:
<u>Note that:</u>
- Surface area: 2(LB) + 2(BH) + 2(LH)
<u>Substitute the values given into the expression to find the surface area.</u>
- 2(7 x 10) + 2(6 x 6) + 2(6 x 10)
- => 2(70) + 2(36) + 2(60)
- => 140 + 72 + 120
- => 332 mm²
The surface area of the rectangular prism is 332 mm².
Answer:
He did 9 times 10 instead of 9 times 100.
Answer:
1(q). 4 x (58 x 25) = 4 x (25 x __) = (__ x __) x 58 = ____
1(a). this problem cannot be solved
2(q). (293 x 50) x 20 = 293 x (50 x __)
2(a). (picture)
The answer should be 3753